US3518211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
R.t.v. polysulfide sealants
Assignee: ATK Launch Systems LLC
•
Filing: 1965-07-27
•
Granted: 1970-06-30
•
Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 James A Downs
- 👤 Stanley T Schellenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:35
CPC Classifications
C; C08; C08L; C08L81/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2195380A
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US2466963A
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US2584264A
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US2929794A
Cited
US2787608A
Cited
US2871217A
Cited
US2940958A
Cited
US3142656A
Cited
US3225017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |